Water Analysis Handbook :  Photometric Procedures, Titration Procedures, Ion-Selective Electrode Procedures, Microbiological Procedures, Chemical Procedures Explained / 
HACH Company. 
 - Loveland, Colorado :  HACH Company,  1989. 
 - 691 p. :  fig., ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Analytical Chemistry